The Coast Guard Kit includes five of the most popular navigation tools that the U.S. Coast Guard uses, all in one convenient package. The Coast Guard Kit is a must-have for anyone performing search and rescue operations. Included in the Coast Guard kit are: one #176 Ultralight Divider/Compass one #7291 Spare Leads for Ultralight Divider/Compass one #120 Weems Parallel Plotter one #105 Nautical Slide Rule, one #113 Course and Leg Identifier and instructions, Reusable plastic pouch.